Document database uses
Merge pull request #23 from lmarburger/update-readme

Document database uses
Add optional prefix to librato metrics
Remove /dev/null metriks reporter
Bump rack dependency
Track db cache hit ratio
Merge pull request #22 from lmarburger/add-librato-prefix

Add optional prefix to librato metrics
Disconnect database connections
Rebuild database before spec suite
Document sample environment
Inject write db into Web
:space_invader:
Default to using 1 thread for updating gems
Create an app setup script

Closes #24
Add Travis CI config
Remove unnecessary metric
Return 503 if a lot of gems are requested
Switch to 413 Forbidden response
413 message, consistent halt style
ugh how did I do that